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23075530 = 252307553
BaseRepresentation
bin101100000000…
…1101011001010
31121102100200021
41120001223022
521401404110
62142331054
7400065412
oct130015312
947370607
1023075530
1112030a95
127889a8a
134a1c27a
1430c9642
15205c2da
hex1601aca

23075530 has 8 divisors (see below), whose sum is σ = 41535972. Its totient is φ = 9230208.

The previous prime is 23075491. The next prime is 23075539. The reversal of 23075530 is 3557032.

It can be written as a sum of positive squares in 2 ways, for example, as 22155849 + 919681 = 4707^2 + 959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23075495 and 23075504.

It is not an unprimeable number, because it can be changed into a prime (23075539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153767 + ... + 1153786.

Almost surely, 223075530 is an apocalyptic number.

23075530 is a deficient number, since it is larger than the sum of its proper divisors (18460442).

23075530 is a wasteful number, since it uses less digits than its factorization.

23075530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307560.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 23075530 is about 4803.6996159210. The cubic root of 23075530 is about 284.6976582400.

The spelling of 23075530 in words is "twenty-three million, seventy-five thousand, five hundred thirty".

Divisors: 1 2 5 10 2307553 4615106 11537765 23075530